The correct answer is A. Cost accounting provides detailed information about costs of various products, processes, services and operations.
Cost accounting is a branch of accounting that focuses on the measurement, analysis, and reporting of costs. It is used to help businesses make informed decisions about pricing, production, and other areas.
Cost accounting can be used to track the costs of individual products, services, or processes. It can also be used to track the costs of entire departments or divisions.
Cost accounting can be used to identify areas where costs can be reduced. It can also be used to measure the profitability of different products or services.
Cost accounting is an important tool for businesses of all sizes. It can help businesses to make better decisions about pricing, production, and other areas.
Option B is incorrect because cost accounting does not provide detailed information about income. Income is a measure of revenue minus expenses. Cost accounting is only concerned with costs.
Option C is incorrect because cost accounting is not concerned with both costs and income. It is only concerned with costs.
Option D is incorrect because cost accounting is a real and important field of study. It is not a myth or a hoax.